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Open Source and information security mailing list archives
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Date: Mon, 7 Jul 2014 15:11:08 +0100 From: David Drysdale <drysdale@...gle.com> To: Paolo Bonzini <pbonzini@...hat.com> Cc: LSM List <linux-security-module@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Alexander Viro <viro@...iv.linux.org.uk>, Meredydd Luff <meredydd@...atehouse.org>, Kees Cook <keescook@...omium.org>, James Morris <james.l.morris@...cle.com>, Linux API <linux-api@...r.kernel.org>, qemu-devel <qemu-devel@...gnu.org> Subject: Re: [RFC PATCH 00/11] Adding FreeBSD's Capsicum security framework (part 1) On Mon, Jul 7, 2014 at 1:20 PM, Paolo Bonzini <pbonzini@...hat.com> wrote: > Il 07/07/2014 12:29, David Drysdale ha scritto: >> Capsicum capabilities are associated with the file descriptor (a la >> F_GETFD), not the open file itself -- different FDs with different >> associated rights can map to the same underlying open file. > > > Good to know, thanks. I suppose you have testcases that cover this. > > Paolo Yeah, there's lots of tests at: https://github.com/google/capsicum-test (which is in a separate repo so it's easy to run against FreeBSD as well as the Linux code); in particular https://github.com/google/capsicum-test/blob/dev/capability-fd.cc has various interactions of capability FDs. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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